[INFO] fetching crate lexpar 0.1.0... [INFO] checking lexpar-0.1.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470 [INFO] extracting crate lexpar 0.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate lexpar 0.1.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate lexpar 0.1.0 [INFO] finished tweaking crates.io crate lexpar 0.1.0 [INFO] tweaked toml for crates.io crate lexpar 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] edd12d45210527c6c7b4b77c6dc3380cd1f792ecced2762536ae7614527b0b3c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "edd12d45210527c6c7b4b77c6dc3380cd1f792ecced2762536ae7614527b0b3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "edd12d45210527c6c7b4b77c6dc3380cd1f792ecced2762536ae7614527b0b3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edd12d45210527c6c7b4b77c6dc3380cd1f792ecced2762536ae7614527b0b3c", kill_on_drop: false }` [INFO] [stdout] edd12d45210527c6c7b4b77c6dc3380cd1f792ecced2762536ae7614527b0b3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bcd32458e845fa8e161239d358d49af4414973a8e8a3b949c337dc4aedb80fa4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bcd32458e845fa8e161239d358d49af4414973a8e8a3b949c337dc4aedb80fa4", kill_on_drop: false }` [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Checking lexpar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lexer.rs:48:17 [INFO] [stdout] | [INFO] [stdout] 48 | handle: Box Fn(Span, &'a str, Vec<&'a str>) -> T> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lexer.rs:55:18 [INFO] [stdout] | [INFO] [stdout] 55 | unknown: Box Fn(Span, &'a str) -> T> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str) -> T` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lexer.rs:117:41 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn new(rules: Vec<(&str, Box Fn(Span, &'a str, Vec<&'a str>) -> T>)>, unknown: F) -> Self [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lexer.rs:48:17 [INFO] [stdout] | [INFO] [stdout] 48 | handle: Box Fn(Span, &'a str, Vec<&'a str>) -> T> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lexer.rs:55:18 [INFO] [stdout] | [INFO] [stdout] 55 | unknown: Box Fn(Span, &'a str) -> T> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str) -> T` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lexer.rs:117:41 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn new(rules: Vec<(&str, Box Fn(Span, &'a str, Vec<&'a str>) -> T>)>, unknown: F) -> Self [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn for<'a> Fn(Span, &'a str, Vec<&'a str>) -> T` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/rust_family/parser/ast.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | expr: Box [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Ast` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/ml_family/parser/ast.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | expr: Box [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Ast` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> examples/rust_family/parser/mod.rs:142:31 [INFO] [stdout] | [INFO] [stdout] 142 | unsafe { acc.push(::std::mem::uninitialized()) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/parser.rs:31:28 [INFO] [stdout] | [INFO] [stdout] 31 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/parser.rs:69:28 [INFO] [stdout] | [INFO] [stdout] 69 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/parser.rs:102:28 [INFO] [stdout] | [INFO] [stdout] 102 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/parser.rs:150:28 [INFO] [stdout] | [INFO] [stdout] 150 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/parser.rs:243:28 [INFO] [stdout] | [INFO] [stdout] 243 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/parser.rs:309:32 [INFO] [stdout] | [INFO] [stdout] 309 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/parser.rs:408:32 [INFO] [stdout] | [INFO] [stdout] 408 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/parser.rs:438:32 [INFO] [stdout] | [INFO] [stdout] 438 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/parser.rs:489:32 [INFO] [stdout] | [INFO] [stdout] 489 | let parse = |iter: Box>| { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `AstNode` does not permit being left uninitialized [INFO] [stdout] --> examples/rust_family/parser/mod.rs:142:31 [INFO] [stdout] | [INFO] [stdout] 142 | unsafe { acc.push(::std::mem::uninitialized()) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] note: `Box` must be non-null (in this struct field) [INFO] [stdout] --> examples/rust_family/parser/ast.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | expr: Box [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.39s [INFO] running `Command { std: "docker" "inspect" "bcd32458e845fa8e161239d358d49af4414973a8e8a3b949c337dc4aedb80fa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcd32458e845fa8e161239d358d49af4414973a8e8a3b949c337dc4aedb80fa4", kill_on_drop: false }` [INFO] [stdout] bcd32458e845fa8e161239d358d49af4414973a8e8a3b949c337dc4aedb80fa4